31528112

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 77114112

約数和(自身を除く): 45586000

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 157, 163, 176, 308, 314, 326, 616, 628, 652, 1099, 1141, 1232, 1256, 1304, 1727, 1793, 2198, 2282, 2512, 2608, 3454, 3586, 4396, 4564, 6908, 7172, 8792, 9128, 12089, 12551, 13816, 14344, 17584, 18256, 24178, 25102, 25591, 27632, 28688, 48356, 50204, 51182, 96712, 100408, 102364, 179137, 193424, 200816, 204728, 281501, 358274, 409456, 563002, 716548, 1126004, 1433096, 1970507, 2252008, 2866192, 3941014, 4504016, 7882028, 15764056, 31528112]

約数ペア:

[(1, 31528112), (2, 15764056), (4, 7882028), (7, 4504016), (8, 3941014), (11, 2866192), (14, 2252008), (16, 1970507), (22, 1433096), (28, 1126004), (44, 716548), (56, 563002), (77, 409456), (88, 358274), (112, 281501), (154, 204728), (157, 200816), (163, 193424), (176, 179137), (308, 102364), (314, 100408), (326, 96712), (616, 51182), (628, 50204), (652, 48356), (1099, 28688), (1141, 27632), (1232, 25591), (1256, 25102), (1304, 24178), (1727, 18256), (1793, 17584), (2198, 14344), (2282, 13816), (2512, 12551), (2608, 12089), (3454, 9128), (3586, 8792), (4396, 7172), (4564, 6908)]